Answer Happy • Let A be a closed subset of a metric space (M,d). Prove that the boundary of A is nowhere dense. What if A is an open se

Page 1 of 1

Let A be a closed subset of a metric space (M,d). Prove that the boundary of A is nowhere dense. What if A is an open se

Posted: Tue Sep 07, 2021 7:34 am

by answerhappygod

: Let A Be A Closed Subset Of A Metric Space M D Prove That The Boundary Of A Is Nowhere Dense What If A Is An Open Se 1 (6.95 KiB) Viewed 51 times

Let A be a closed subset of a metric space (M,d). Prove that the boundary of A is nowhere dense. What if A is an open set?